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pharynx
pharynx
pharynx 1. The tube that connects the mouth to the internal body cavity in which food is digested. In
polyps it extends well into the gastrovascular cavity. In
Enteropneusta it is extended forward to form the
stomochord.
2. In vertebrates, the part of the gut that lies between the
buccal cavity and the
oesophagus. In primitive vertebrates (e.g.
Amphioxus) it occupies almost half the length of the
alimentary canal. Probably its original function was connected with the sifting of particles of food, but in lower vertebrates it is concerned with respiration and gill slits or lungs open into it.
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Particle retention and flow in the pharynx of the enteropneust worm Harrimania planktophilus: the filter-feeding pharynx may have evolved before the chordates.
Magazine article from: The Biological Bulletin; 4/1/2002; ; 700+ words
; ...swiftly drawn into the dorsal branchial pharynx, with no indication that mucus was playing...Particles were trapped in the branchial pharynx, and transported ventrally to two grooves...which separate the dorsal branchial pharynx from the ventral digestive pharyax. The...
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Pharyngeal TB Should Be Considered In Workup For Pharynx Lesions.
Newspaper article from: TB & Outbreaks Week; 9/11/2001; 653 words
; ...Patients who present with lesions of the pharynx may have pharyngeal tuberculosis, especially...differential diagnosis of lesions of the pharynx especially in those countries where TB...differential diagnosis of lesions of the pharynx, especially in regions of high TB endemicity...
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The effects of head positioning on pressure generation in the pharynx during normal swallowing: A pilot study
Magazine article from: Journal of Rehabilitation Research and Development; 6/1/1996; ; 700+ words
; PURPOSE-We seek to compare forces generated in the pharynx and applied to the bolus during normal swallows with various...effects of head positioning on pressure generation in the pharynx during the swallowing of dysphagics: with the data to...
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The twisted pharynx phenotype in C. elegans.(Research article)(Clinical report)
Magazine article from: BMC Developmental Biology; 6/1/2007; ; 700+ words
; ...corresponding author) [1,3] Background The pharynx is a simple muscular epithelial tube responsible...nuclei from five cell types present in the pharynx: muscle cells, nerve cells, marginal...cells and gland cells [1, 2]. The pharynx is sometimes considered to be evolutionarily...
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Biomechanical Model for Muscular Dysfunction of the Human Pharynx Using Finite Element Analysis
Magazine article from: The Annals of Otology, Rhinology & Laryngology; 11/1/2006; ; 700+ words
; ...Unite element method reconstruction of the pharynx, and the ulilization of a optimization...gradients created internally when the pharynx functions during swallowing. Methods...deformation of the cross-sectional area of the pharynx were analyzed while increasing the mechanical...
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Synovial sarcoma of the pharynx: A case report. (Original Article).(Brief Article)
Magazine article from: Ear, Nose and Throat Journal; 1/1/2002; ; 700+ words
; Abstract Synovial sarcoma is a malignancy not usually encountered in the head and neck region. We describe a case of synovial sarcoma of the posterior pharyngeal wall in a 14-year-old girl. The mass was completely excised via the transoral route. Postoperatively, the patient received irradiation to
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Schneiderian papillomas of the pharynx
Magazine article from: The Annals of Otology, Rhinology & Laryngology; 4/1/1999; ; 700+ words
; Sixteen cases of schneiderian-type mucosal papillomas arising in the nasopharynx and oropharynx are reported. The patients include 11 men and 5 women ranging in age from 45 to 79 years (median 62 years). In 12 patients, the papilloma was discovered as an incidental finding, and 2 patients
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Sortase gene srtA appears to be involved in adhesion to host pharynx.
Newspaper article from: Immunotherapy Weekly; 7/9/2003; 700+ words
; 2003 JUL 9 - (NewsRx.com & NewsRx.net) -- The sortase gene srtA of Streptococcus pneumoniae appears to be involved in adhesion to host pharyngeal cells. According to recent research published in the journal Infection and Immunity, "Inactivation of sortase gene srtA in Streptococcus pneumoniae
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Protocol for the examination of specimens removed from patients with carcinomas of the upper aerodigestive tract: Carcinomas of the oral cavity including lip and tongue, nasal and paranasal sinuses, pharynx, larynx, salivary glands, hypopharynx, oropharynx, and nasopharynx
Magazine article from: Archives of Pathology & Laboratory Medicine; 3/1/1998; ; 700+ words
; Carcinomas of the Oral Cavity Including Lip and Tongue, Nasal and Paranasal Sinuses, Pharynx, Larynx, Salivary Glands, Hypopharynx, Oropharynx, and Nasopharynx The Cancer Committee of the College of American Pathologists...
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Group A streptococcal infections of the pharynx in a rural population in south India
Magazine article from: Indian Journal of Medical Research; 5/1/2004; ; 700+ words
; Background & objectives: There has been a resurgence in the incidence of rheumatic heart disease all over the world and hence surveillance and strain characterization are important. The aim of this study was to screen children in a rural community in south India for throat carriage of group A
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Mouth, Pharynx, and Teeth
Book article from: Animal Sciences
Mouth, Pharynx, and Teeth The digestive system functions to receive, store, and...the tongue pushes the food to the back of the mouth and into the pharynx. The pharynx acts as an intersection between the esophagus and the trachea . The...
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pharynx
Book article from: The Columbia Encyclopedia, Sixth Edition
pharynx , area of the gastrointestinal and respiratory...mouth and the esophagus. In humans, the pharynx is a cone-shaped tube about 4 1/2 in...Eustachian tubes . The lower end of the pharynx is continuous with the esophagus (see...
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PHARYNX
Book article from: Concise Oxford Companion to the English Language
PHARYNX. An anatomical term for the cavity of the upper throat through which air passes from the LARYNX to the mouth and nose. Sounds made in the pharynx are pharyngeal , such as the open back vowel of palm in RP and certain fricative consonants in ARABIC . See GUTTURAL .
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Chordata
Book article from: The Columbia Encyclopedia, Sixth Edition
...notochord; and gill slits leading into the pharynx, or anterior part of the digestive tract...the adult is occupied by a very large pharynx with numerous gill slits that act as a...taken into the incurrent siphon enters the pharynx and passes out through the gill slits...
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Head and Neck Cancers
Encyclopedia entry from: Gale Encyclopedia of Cancer
...lips, tongue, mouth, nasal passages, pharynx, larynx (voice box), salivary glands...neck cancers occur in the oral cavity and pharynx, a third are thyroid cancer, and almost...the tongue, the upper section of the pharynx, and the area around the tonsils. Symptoms...
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